阿摩線上測驗
52. According to the passage, why is plankton considered to be more valuable than land grasses?
(A) It is easy to cultivate.
(B) It produces more valuable carbohydrates.
(C) It does not require nurturing field.
(D) It is more palatable.
答案：登入後查看
統計： A(3), B(54), C(5), D(2), E(0) #3440842
統計： A(3), B(54), C(5), D(2), E(0) #3440842
